The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy of its pioneering namesake Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time finding it. Astrobitica July 7, 2025 (Last updated: July 7, 2025) 1 minute read Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time finding it. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: July full moon 2025 rises this week: Here’s what to expect from the ‘Buck Moon’Next: See asteroid Donaldjohanson up close thanks to NASA’s Lucy mission | Space photo of the day for July 7, 2025